react 16

If you read my previous post, "My first time using React 16.0", you know that I got the following warning when I typed npm run test in Terminal:
[crayon-5a31e288e1e09425883062/]
Notice something different?
[crayon-5a31e288e1e20337479513/]
The React Polyfills link took me to the gist on Github entitled "React 16 JavaScript Environment.md". There, I learned that React 16 depends on the collection types Map and Set. And, that if developers
are supporting older browsers and devices which may ... Continue Reading